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    <title>Document</title>
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    <img src="Dachshund_brown_puppy.jpg" alt="狗狗狗" width="500px" height="300px">
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    <!-- rel="noopener noreferrer"是为了安全 -->
    <a href="hack.html" target="_blank" rel="noopener noreferrer">安全</a>  
    <br />
    <a href="hack.html" target="_blank">不安全</a>
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    <input type="text" />
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